*{
    margin: 0;
    padding: 0;
}
.head{
    width: 100%;
    height: 760px;
    display: grid;
    grid-template-columns: repeat(3,210px);
    grid-template-rows: repeat(2,400px);
    gap: 10px 10px;
    justify-content: center;
}
.head div:nth-child(1){
    grid-column: 1 / 4;
}
.head li{
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    float: left;
    list-style: none;
    margin-right: 20px;
    position:relative;
    bottom: 50px;
    left: 500px;
}
.head li:hover{
    background-color: #f45804;
}
.nr{
    position: relative;
    bottom: 300px;
    color: white;
    text-align: center;
}
.nr button{
    width: 128px;
    height: 45px;
    background-color: white;
    color: purple;
    border-radius: 10px;
    font-weight: bold;
    font-size: 18px;
    margin-top: 20px;
}
.title1{
    color: purple;
    margin-left: 500px;
}
.content{
    width: 650px;
    height: 400px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    align-content: space-evenly;
}
.content div {
    display: flex;
}
.content div p{
    margin-left: 20px;
    margin-top: 20px;
}
.content div p span{
    font-weight: bold;
}
.title2{
    color: #077ef7;
    margin-left: 500px;
}
.first_end{
    width: 650px;
    height: 140px;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.first_end div{
    display: flex;
    width: 320px;
    border: 1px solid darkgrey;
}
.first_end div p span{
    font-weight: bold;
    font-size: 20px;
}
.first_end div p{
    margin-left: 20px;
    margin-top: 20px;
}
.first_end div img{
    margin-top: 20px;
}
.nav{
    width: 100%;
    height: 160px;
    background-image: url(../images/bg_top_img.jpg);
    position: relative;
}
.nav img{
    margin-top: 80px;
    margin-left: 190px;
}
.nav span{
    color: white;
    margin-left: 50px;
}
.icon>img{
    width: 50px;
    height: 60px;
    margin: 0px 1px 0px 0px ;
}
.icon{
    position: absolute;
    left: 1100px;
    top: 80px;
}
.pro>h2{
    margin-left: 500px;
    color:#0aa868 ;
}
.pro li{
    width: 180px;
    list-style: none;
    font-size: 25px;
    font-weight: bold;
}
.pro li:hover{
    color:#0aa868 ;
}
.pro ul{
    position: absolute;
    left: 300px;
}
.content_gird{
    width: 650px;
    height: 600px;
    display: grid;
    grid-template-rows: repeat(3,290px);
    grid-template-columns: repeat(3,210px);
    /* border: 1px solid red; */
    gap: 10px;
    margin-left: 500px;
}
.content_gird div{
    /* border: 1px solid red; */
    background-color: #f4f5f5;
}
.content_gird>div>div{
    width: 150px;
    margin: auto;
    margin-top: 20px;
}
.content_gird>div>div span{
    font-size: 20px;
    font-weight: bold;
}
.title3{
    color: red;
    margin-left: 500px;
}
.gird_nr{
    width: 650px;
    height: 430px;
    margin-left: 500px;
}
.gird_nr span{
    font-weight: bold;
}
.title4{
    color: #f77007;
    margin-left: 500px;
}
.footer{
    width: 650px;
    height: 310px;
    display: flex;
    justify-content: space-between;
    margin-left: 500px;
}
.email{
    width: 430px;
    height: 310px;
    /* border: 1px solid red; */

}
.email_right{
    width: 210px;
    height: 310px;
    /* border: 1px solid red; */
}
.email input{
    width: 265px;
}
.email input:last-child{
    height: 110px;
}
